. >>> as secretary of state hillary clinton prepares to step down in coming days, she sat down alongside president obama for an interview that will air tomorrow on "60 minutes." four years ago or so they were rivals for the democratic nomination and then she became a key member of his inner circle. the president and secretary talked about her service. >> i want the country to appreciate just what an extraordinary role she's played during the course of my administration and a lot of the successes we've had internationally have been because of her hard work. >> in politics and in democracy, sometimes you win elections. sometimes you lose elections. and i worked very hard but i lost and then president obama asked me to be secretary of state and i said yes. and why did he ask me and why did i say yes? because we both love our country. >> one of the biggest challenges on secretary clinton's watch has been the bloody conflict in syria. that civil war has also produced a growing refugee crisis as syrians try to escape. just yesterday the u.n. said that a record number of syrians, 30,000, had ar